Sierra 2500

Spider

AWD4WD

8-Cylinder Turbo

Diesel

2025 GMC Sierra 2500HD AT4 Crew Cab 4WD CarBravo Certified Duramax Turbo-Diesel | Onyx Black One Owner | Clean CARFAX | Texas-Owned Duramax torque. Allison strength. AT4 capability. If you ve been searching for a GMC Sierra 2500HD Duramax AT4, this truck delivers the configuration serious heavy-duty buyers look for diesel torque, factory off-road capability, and immediate availability without waiting on a build. This example shows one-owner Texas ownership with a clean CARFAX history and has completed the CarBravo Certified inspection process. Low mileage and clean presentation place it in the range many diesel buyers target when stepping into a late-model heavy-duty truck. Duramax + Allison Proven Heavy-Duty Performance At the core of this Sierra is GMC s most sought-after heavy-duty drivetrain. 6.6L Duramax turbo-diesel V8 Allison automatic transmission Four-wheel drive This combination delivers: Massive low-end torque for towing Stable pulling power under load Confident highway performance Efficient diesel operation for long-distance hauling For HD truck buyers searching Duramax diesel capability, this pairing remains one of the most trusted setups in the segment. AT4 Purpose-Built Capability The Sierra AT4 trim adds factory-engineered off-road hardware designed for durability and control. AT4-tuned off-road suspension Underbody skid protection Locking rear differential Integrated trailer brake controller Advanced trailering technology These features are built into the truck from GMC, delivering real capability without aftermarket modification. Mileage Context Why It Matters For heavy-duty diesel trucks, mileage tells part of the story. Low-to-mid mileage typically means: Minimal drivetrain wear Long service life ahead Strong resale retention Lower overall wear exposure Duramax engines are designed for longevity, making low-mile examples especially desirable. Interior Comfort &amp; Equipment Inside, the Sierra AT4 blends heavy-duty capability with premium comfort. Heated and ventilated front seats Heated rear outboard seats Heated steering wheel Driver memory settings Dual-zone automatic climate control Premium all-weather floor liners The cabin is designed for long days behind the wheel while maintaining a refined feel. Technology &amp; Connectivity Modern technology supports both daily driving and towing tasks. Large touchscreen with Google built-in Wireless Apple CarPlay&reg; and Android Auto Bose&reg; premium audio system Wireless phone charging Rear Camera Mirror Power sliding rear window Controls are intuitive and built for real-world usability. Driver Assistance &amp; Trailering Support Advanced driver-assist and trailering systems help improve visibility and awareness. Automatic Emergency Braking Forward Collision Alert Lane Departure Warning Blind Zone Alert with trailering support Rear Cross Traffic Alert Front and Rear Park Assist Safety Alert Seat These systems are particularly helpful when towing or maneuvering a heavy-duty truck. CarBravo Certified This Sierra has completed the CarBravo Certified inspection, which includes additional verification and protection. Multi-point inspection completed Vehicle verification process Added ownership predictability Certification adds additional confidence when purchasing a pre-owned heavy-duty diesel truck. Why This Sierra 2500HD AT4 Stands Out Duramax / Allison drivetrain pairing Factory AT4 off-road capabilit&gt;

Certified 2025 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package

Certified 2025 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package Terrell TX 75160

AT4 Premium Plus Package

Gooseneck/5th Wheel Prep Package

LPO, Hitch Package

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Automatic

Platinum Chevrolet

New York

 for sale near you in Terrell, TX. Get more information and car pricing for this vehicle on Autotrader.

Certified 2025 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package for sale in Terrell, TX 75160: Truck Details - 770406075 - Autotrader